"We have the full undergarments and the slips and the thing over that. It's a little bit of work to get dressed," Hendricks said on Thursday’s “Conan.” She credited the show’s undergarments as integral to Joan Holloway’s look and head-turning walk.

"You put these things and they sort of make you stand upright and your body just naturally moves a certain way,” she said. “I always thought that's what made this sort of walk happen -- you put these undergarments on and this tight dress.”

Hendricks said her husband, actor Geoffrey Arend, teases her by saying she walks like Joan at home too.

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“But I attribute it to the undergarments," Hendricks said.

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